var table1=document.getElementById('table1')

var rows=table1.rows

for(let i=1;i<rows.length;i++){
    var row=rows[i]
    row.onmouseenter=function(){
        this.style.backgroundColor='orange'
    }
    row.onmouseleave=function(){
        this.style.backgroundColor='antiquewhite'
    }
}
